<template>
  <a-table :columns="columns" :data-source="data" bordered>
    <template #name="{ text }">
      <a>{{ text }}</a>
    </template>
  </a-table>
</template>
<script>
import { defineComponent, h } from 'vue';

// In the fifth row, other columns are merged into first column
// by setting it's colSpan to be 0
const renderContent = ({ text, index }) => {
  const obj = {
    children: text,
    props: {},
  };

  // if (index === 4) {
  //   obj.props.colSpan = 4;
  // }

  return obj;
};

const data = [
  {
    key: '1',
    name: 'John Brown',
    age: 32,
    tel: '0571-22098909',
    phone: 18889898989,
    address: 'New York No. 1 Lake Park',
  },
  {
    key: '2',
    name: 'Jim Green',
    tel: '0571-22098333',
    phone: 18889898888,
    age: 42,
    address: 'London No. 1 Lake Park',
  },
  {
    key: '3',
    name: 'Joe Black',
    age: 32,
    tel: '0575-22098909',
    phone: 18900010002,
    address: 'Sidney No. 1 Lake Park',
  },
  {
    key: '4',
    name: 'Jim Red',
    age: 18,
    tel: '0575-22098909',
    phone: 18900010002,
    address: 'London No. 2 Lake Park',
  },
  {
    key: '5',
    name: 'Jake White',
    age: 18,
    tel: '0575-22098909',
    phone: 18900010002,
    address: 'Dublin No. 2 Lake Park',
  },
];
export default defineComponent({
  setup() {
    const columns = [
      {
        title: 'Name',
        dataIndex: 'name',
        customRender: ({ text, index }) => {
          if (index < 4) {
            return h(
              'a',
              {
                href: 'javascript:;',
              },
              text,
            );
          }

          return {
            children: h(
              'a',
              {
                href: 'javascript:;',
              },
              text,
            ),
            props: {
              colSpan: 2,
            },
          };
        },
      },
      {
        title: 'Age',
        dataIndex: 'age',
        customRender: renderContent,
      },
      {
        title: 'Home phone',
        colSpan: 2,
        dataIndex: 'tel',
        customRender: ({ text, index }) => {
          const obj = {
            children: text,
            props: {},
          };

          if (index === 2) {
            obj.props.rowSpan = 2;
          } // These two are merged into above cell

          if (index === 3) {
            obj.props.rowSpan = 0;
          }

          if (index === 4) {
            obj.props.colSpan = 0;
          }

          return obj;
        },
      },
      {
        title: 'Phone',
        colSpan: 0,
        dataIndex: 'phone',
        customRender: renderContent,
      },
      {
        title: 'Address',
        dataIndex: 'address',
        customRender: renderContent,
      },
    ];
    return {
      data,
      columns,
    };
  },
});
</script>